42669634 has 16 divisors (see below), whose sum is σ = 73418688. Its totient is φ = 18219312.

The previous prime is 42669607. The next prime is 42669637. The reversal of 42669634 is 43696624.

It is not an unprimeable number, because it can be changed into a prime (42669637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624 + ... + 9379.

It is an arithmetic number, because the mean of its divisors is an integer number (4588668).

Almost surely, 2^42669634 is an apocalyptic number.

42669634 is a deficient number, since it is larger than the sum of its proper divisors (30749054).

42669634 is a wasteful number, since it uses less digits than its factorization.

42669634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11289.

The product of its digits is 186624, while the sum is 40.

The square root of 42669634 is about 6532.1997826153. The cubic root of 42669634 is about 349.4402863456.

The spelling of 42669634 in words is "forty-two million, six hundred sixty-nine thousand, six hundred thirty-four".